package demo2429;

public class Car extends Bx {
private int number;
private double price;
private double money;

public Car(int number,double price){
    this.number = number;
    this.price = price;
}
    @Override
    public double add() {
        if (number==0){
            money = price*0.02;
        }


    return money;
    }
}
